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Head-to-head · Digital Signature API Software

BoldSign vs signNow

  • Updated Sep 2026
  • Both researched from official sources
  • 1 check side by side
Higher score BoldSign #2 in Digital Signature API Software 8.4/10 Free plan · paid from $5/user/mo (annual) · 30-day trial Free plan✓ 0 of 5 features Visit BoldSign
signNow #4 in Digital Signature API Software 7.4/10 From $8/user/mo (annual) · 7-day trial ✓ 0 of 5 features Visit signNow

BoldSign leads on 1 check, signNow on 0, and 0 are even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreBoldSign · 8.4/10
  • Free planonly BoldSign

BoldSign scores higher on our rubric for digital signature api software: 8.4 against 7.4 out of 10; our editors rank them #2 and #4.

BoldSign offers free plan; signNow doesn't.

BoldSign is the better fit for API buyers prioritizing low cost and breadth. signNow is the better fit for teams wanting affordable API signing.

  • BoldSign fits best

    API buyers prioritizing low cost and breadth

  • signNow fits best

    Teams wanting affordable API signing

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature BoldSign 8.4/10 Visit ↗ signNow 7.4/10 Visit ↗
At a glance
Editor score 8.4 7.4
Ranking #2 in Digital Signature API Software #4 in Digital Signature API Software
Best for API buyers prioritizing low cost and breadth Teams wanting affordable API signing
Pricing model Free plan + paid Paid
Starting price Not published Not published
Free plan ✓ (best) —
Free trial — —
Free trial length 30 days · no card needed 7 days · no card needed
Deployment Cloud, Mobile Cloud, Mobile
Platforms Web, iOS, Android Web, iOS, Android
Support Email, Live chat, Phone, Docs Email, Phone, Live chat, Docs · 24/7
Compliance SOC 2, GDPR, HIPAA, SSO/SAML, 2FA SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS, 2FA
Integrations 10 integrations 40+ integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features BoldSign 0/5 · signNow 0/5
Embedded signing Not published Not published
Identity verification Not published Not published
Workflow status API Not published Not published
Signed-file retrieval Not published Not published
Sandbox environment Not published Not published
Specs
SDK languages Not published Not published
Webhook event types Not published Not published
Our review
Pros
  • Free plan with 25 envelopes and audit trails
  • Embedded signing, requesting, templates, APIs, and SDK integrations
  • AI tools plus Salesforce, HubSpot, Zapier, and cloud storage integrations
  • REST and SOAP APIs support embedded signing workflows.
  • Templates, bulk sending, and audit trails support repeatable document work.
  • Integrates with Salesforce, Microsoft 365, Google Workspace, and Zapier.
Cons
  • Essential limits usage to 25 envelopes and two templates monthly
  • Bulk sending is an add-on on the Premium plan
  • Enterprise API includes 40 API envelopes per month
  • There is no free plan.
  • The seven-day free trial is shorter than some evaluation periods.
  • Full API access is identified with the Site License rather than standard self-serve plans.
Our verdict

BoldSign is an electronic-signature platform for individuals, small businesses, teams, and enterprises. It supports document-signing workflows, reusable templates, audit trails, signer authentication, configurable signing order, and…

Read the review →

signNow is a cloud-based electronic signature and document workflow platform from airSlate. It is designed for individuals and businesses that need to create, send, sign, and manage legally binding documents. Its feature set suits teams…

Read the review →
  1. BoldSignDigital Signature API Software 8.4Free plan · paid from $5/user/mo (annual) · 30-day trial
  2. signNowDigital Signature API Software 7.4From $8/user/mo (annual) · 7-day trial

Strengths and trade-offs

  • BoldSign — where it wins

    • Free plan with 25 envelopes and audit trails
    • Embedded signing, requesting, templates, APIs, and SDK integrations
    • AI tools plus Salesforce, HubSpot, Zapier, and cloud storage integrations

    Where it doesn't

    • Essential limits usage to 25 envelopes and two templates monthly
    • Bulk sending is an add-on on the Premium plan
    • Enterprise API includes 40 API envelopes per month

  • signNow — where it wins

    • REST and SOAP APIs support embedded signing workflows.
    • Templates, bulk sending, and audit trails support repeatable document work.
    • Integrates with Salesforce, Microsoft 365, Google Workspace, and Zapier.

    Where it doesn't

    • There is no free plan.
    • The seven-day free trial is shorter than some evaluation periods.
    • Full API access is identified with the Site License rather than standard self-serve plans.
  • BoldSign8.4/10 · Free plan · paid from $5/user/mo (annual) · 30-day trial

    A low-cost signing platform with broad workflow, integration, and API coverage.

    Visit BoldSignFull verdict →
  • signNow7.4/10 · From $8/user/mo (annual) · 7-day trial

    Affordable API and embedded signing with templates, authentication, and broad integrations.

    Visit signNowFull verdict →

More comparisons

All digital signature API software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update